Displacement pump



FIG. 1 is a first isometric view of a displacement pump;

FIG. 2 is a second isometric view of the displacement pump;

FIG. 3 is a third isometric view of the displacement pump;

FIG. 4 is a fourth isometric view of the displacement pump;

FIG. 5 is a top plan view of the displacement pump;

FIG. 6 is a bottom plan view of the displacement pump;

FIG. 7 is a front elevational view of the displacement pump;

FIG. 8 is a rear elevational view of the displacement pump

FIG. 9 is a left side view of the displacement pump; and,

FIG. 10 is a right side view of the displacement pump.

The broken lines in the Figures represent portions of a displacement pump and form no part of the claimed design. 

CLAIM The ornamental design for a displacement pump, as shown and described. 